Home / 6,628,870.65-9,142,659.12-4,306,511.46

Finding the Fourth Proportional to 6,628,870.65, 9,142,659.12 and 4,306,511.46

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Solution

The fourth proportional to 6,628,870.65, 9,142,659.12 and 4,306,511.46 is: 5,939,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628,870.65 : 9,142,659.12 = 4,306,511.46 : x
  2. Step 2: Convert to fraction form
    6,628,870.65/9,142,659.12 = 4,306,511.46/x
  3. Step 3: Cross multiply
    6,628,870.65x = 9,142,659.12 × 4,306,511.46
  4. Step 4: Simplify right side
    6,628,870.65x = 39,372,966,275,153.51
  5. Step 5: Solve for x
    x = 39,372,966,275,153.51/6,628,870.65
  6. Step 6: Final answer
    x = 5,939,619.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.